Home / 47,128.19-70,704.44-13,849.34

Finding the Fourth Proportional to 47,128.19, 70,704.44 and 13,849.34

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Solution

The fourth proportional to 47,128.19, 70,704.44 and 13,849.34 is: 20,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128.19 : 70,704.44 = 13,849.34 : x
  2. Step 2: Convert to fraction form
    47,128.19/70,704.44 = 13,849.34/x
  3. Step 3: Cross multiply
    47,128.19x = 70,704.44 × 13,849.34
  4. Step 4: Simplify right side
    47,128.19x = 979,209,759.82
  5. Step 5: Solve for x
    x = 979,209,759.82/47,128.19
  6. Step 6: Final answer
    x = 20,777.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.